Search found 3 matches

by thelivingroom
Tue May 20, 2025 4:47 pm
Forum: Gerber & MacGruber
Topic: Transformerless VariMu Gain Switch PCB's
Replies: 1
Views: 76

Re: Transformerless VariMu Gain Switch PCB's

These are the measurements of both switches in my build, with 1kHz @ +4dBu measured at the output connector in both Bypass and after trimming the output when engaged and set to position 7 (12-step) or 13 (23-step), with Threshold off. Output was connected to the input of my AD converters.


LR ...
by thelivingroom
Tue May 20, 2025 4:41 pm
Forum: Gerber & MacGruber
Topic: Transformerless VariMu Gain Switch PCB's
Replies: 1
Views: 76

Transformerless VariMu Gain Switch PCB's

These are the Gerbers for the 12-step coarse (Lorlin 1x12) and 23-step "finer" coarse (Elma 04 1x24, set to 23) gain switches that I used in my Transformerless VariMu build. Also attached are the schematics.


Image 5-15-25 at 12.34 AM.jpg
LR_Heikki_12-Step_Gain_Schematic.pdf
LR_Heikki_12-Step ...
by thelivingroom
Tue May 20, 2025 4:28 pm
Forum: Transformerless VariMu
Topic: thelivingroom's Completed Unit
Replies: 1
Views: 53

thelivingroom's Completed Unit

I finished mine in February and have been meaning to post this in here. I saw Heikki posted some photos of it in the Pictures thread, but I'm including a few more that coincide with this post. This compressor sounds incredible, is extremely quiet at idle, and is possibly the most satisfying thing I ...